Home / 712,791.29-983,643.77-386,098.13

Finding the Fourth Proportional to 712,791.29, 983,643.77 and 386,098.13

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Solution

The fourth proportional to 712,791.29, 983,643.77 and 386,098.13 is: 532,810.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,791.29 : 983,643.77 = 386,098.13 : x
  2. Step 2: Convert to fraction form
    712,791.29/983,643.77 = 386,098.13/x
  3. Step 3: Cross multiply
    712,791.29x = 983,643.77 × 386,098.13
  4. Step 4: Simplify right side
    712,791.29x = 379,783,023,607.51
  5. Step 5: Solve for x
    x = 379,783,023,607.51/712,791.29
  6. Step 6: Final answer
    x = 532,810.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.